<template>
  <view>
    <!-- 轮播图的区域-->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
          <!-- 循环渲染轮播图的 item 项 -->
          <swiper-item v-for="(item, i) in swiperList" :key="i">
            <navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id">
              <!-- 动态绑定图片的 src 属性 -->
              <image :src="item.image_src" ></image>
            </navigator >
          </swiper-item>
        </swiper>
        <!--分类导航区域-->
        <view class="nav-list">
           <view class="nav-item" v-for="(item, i) in navList" :key="i" @click="navClickHandler(item)">
             <image :src="item.image_src" class="nav-img"></image>
           </view>
        </view>
        <!--楼层区-->
        <view class="floor-list">
          <!-- 楼层 item 项 -->
          <view class="floor-item" v-for="(item, i) in floorList" :key="i">
            <!-- 楼层标题 -->
            <image :src="item.floor_title.image_src" class="floor-title"></image>
            <!--楼层的图片区域-->
            <view class="floor-img-box">
              <!--左侧大盒子图片-->
              <navigator class="left-img-box" :url="item.product_list[0].url">
                <image :src="item.product_list[0].image_src" :style="{width: item.product_list[0].image_width + 'rpx'}" mode="widthFix"></image>
              </navigator>
              <!--右侧4小盒子图片-->
              <view class="right-img-box">
                <navigator class="right-img-item" v-for="(item2, i2) in item.product_list" :key="i2" v-if="i2 !== 0" :url="item2.url">
                  <image :src="item2.image_src" mode="widthFix" :style="{width: item2.image_width + 'rpx'}"></image>
                      </navigator>
              </view>
            </view>
          </view>
          </view>
  </view>
</template>

<script>
  export default {
    data() {
      return {
        //轮播图的数据列表
        swiperList: [],
        //分类导航的数据列表
        navList: [],
        //楼层的数据
       floorList: []
      };
    },
    onLoad() {
      //调用方法，获取轮播图的数据
      this.getSwiperList()
      this.getNavList()
       this.getFloorList()
    },
    methods: {
      async getSwiperList() {
        const {data: res} = await uni.$http.get('/api/public/v1/home/swiperdata')
        //请求失败
        if (res.meta.status !== 200) return uni.$showMsg()
        // console.log(res)
        //请求失败
      // if(res.meta.status !== 200){
      //   return uni.showToast({
      //       title: '数据传输失败！',
      //       duration: 1500,
      //       icon: 'none'
      //   })
      // }
      this.swiperList = res.message
      uni.$showMsg('数据请求成功!')
      },
      async getNavList() {
        const { data: res } = await uni.$http.get('/api/public/v1/home/catitems')
        if (res.meta.status !== 200) return uni.$showMsg()
        this.navList = res.message
      },
      // nav-item 项被点击时候的事件处理函数
      navClickHandler(item) {
        // 判断点击的是哪个 nav
        if (item.name === '分类') {
          uni.switchTab({
            url: '/pages/cate/cate'
          })
        }
      },
      //获取首页楼层数据的方法
        async getFloorList() {
            const { data: res } = await uni.$http.get('/api/public/v1/home/floordata')
            if (res.meta.status !== 200) return uni.$showMsg()
            //对数据进行处理
            res.message.forEach(floor => {
              floor.product_list.forEach(prod =>{
                prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
              })
              
            })
            this.floorList = res.message
          }
    }
    
  }
</script>

<style lang="scss">
swiper {
 height: 330rpx;

 .swiper-item,
 image {
   width: 100%;
   height: 100%;
 }
}
.nav-list {
  display: flex;
  justify-content: space-around;
  margin: 15px 0;

  .nav-img {
    width: 128rpx;
    height: 140rpx;
  }
}
.floor-title {
  height: 60rpx;
  width: 100%;
  display: flex;
}
.right-img-box {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}

.floor-img-box {
  display: flex;
  padding-left: 10rpx;
}
</style>
